11446144361261 has 2 divisors, whose sum is σ = 11446144361262. Its totient is φ = 11446144361260.

The previous prime is 11446144361159. The next prime is 11446144361269. The reversal of 11446144361261 is 16216344164411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11418756097225 + 27388264036 = 3379165^2 + 165494^2 .

It is an emirp because it is prime and its reverse (16216344164411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11446144361261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11446144361269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5723072180630 + 5723072180631.

It is an arithmetic number, because the mean of its divisors is an integer number (5723072180631).

Almost surely, 2^{11446144361261} is an apocalyptic number.

It is an amenable number.

11446144361261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11446144361261 is an equidigital number, since it uses as much as digits as its factorization.

11446144361261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 44.

The spelling of 11446144361261 in words is "eleven trillion, four hundred forty-six billion, one hundred forty-four million, three hundred sixty-one thousand, two hundred sixty-one".